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Finding the Fourth Proportional to 368,484.89, 552,840.15 and 188,697.61

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Solution

The fourth proportional to 368,484.89, 552,840.15 and 188,697.61 is: 283,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,484.89 : 552,840.15 = 188,697.61 : x
  2. Step 2: Convert to fraction form
    368,484.89/552,840.15 = 188,697.61/x
  3. Step 3: Cross multiply
    368,484.89x = 552,840.15 × 188,697.61
  4. Step 4: Simplify right side
    368,484.89x = 104,319,615,017.04
  5. Step 5: Solve for x
    x = 104,319,615,017.04/368,484.89
  6. Step 6: Final answer
    x = 283,104.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.